Cyber Resilience

CVE-2023-52029

CriticalPublic PoCRCE

Published: 11 January 2024

Published
11 January 2024
Modified
20 June 2025
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.1549 94.8th percentile
Risk Priority 29 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-52029 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink A3700R Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 5.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

TOTOlink A3700R firmware version 9.1.2u.5822_B20200513 contains a remote command execution vulnerability in the setDiagnosisCfg function. The flaw is tracked as CVE-2023-52029 with a CVSS 3.1 score of 9.8 and is associated with CWE-78, indicating improper neutralization of special elements used in an OS command.

Unauthenticated attackers with network access can invoke the affected function to inject and execute arbitrary operating-system commands. Successful exploitation grants full control over the device, allowing disclosure or modification of data and disruption of router operation.

The provided references consist of technical write-ups that demonstrate the issue but contain no vendor advisory, firmware update, or mitigation guidance. The EPSS score has remained steady at 0.1549 with no material increase after disclosure.

EU & UK References

Vulnerability details

TOTOlink A3700R v9.1.2u.5822_B20200513 was discovered to contain a remote command execution (RCE) vulnerability via the setDiagnosisCfg function.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

totolink
a3700r firmware
9.1.2u.5822_b20200513

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References